Answer:
C≈25.13ft
Step-by-step explanation:
C=2πr=2·π·4≈25.13274ft
Answer:
2 real solutions
Step-by-step explanation:
Since the degree of the polynomial is 2, then there are 2 solutions for the equation, but we don't know if they are both complex or both real.
Since the discriminant is
, then there are 2 real solutions.
Answer:
0.06493506493
Step-by-step explanation:
The given terms are two terms apart, so their difference is twice the difference of adjacent terms.

The value of d is 4.